Fig. 6: T-S Plot.
From: Observations of submesoscale eddy-driven heat transport at an ice shelf calving front

Practical salinity versus potential temperature for the glider transects perpendicular to and parallel to the NIS calving front, colored by distance from the center of the eddy. Isotherms define ASW (>−1.7 °C) and ISW (<−1.94 °C), while isopycnals define HSSW (>1028 kg m−3).